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The BL983319 is a compact, panel mounted, process controller for measuring total dissolved solids (TDS) in a process stream that is within the 0 to 1999 ppm (mg/L) range. The device features a large LCD with protective cover. Users may choose from automatic or manual dosing modes. When in automatic mode the dry contact relay is activated when a reading is below the set point. The relay can be used to supply power to a dosing pump to add fertilizer to a nutrient solution in order to maintain an ideal concentration.
*The BL983319 uses a 0.65 conversion factor in which 100 μS/cm = 65 ppm.
LED changes color based on status.
For additional safety the controllers outer case is made of fire resistant plastic.
A clear plastic cover protects the face panel from dirt and liquids.
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This compact, panel mounted, process controller is ideal for measuring total dissolved solids (TDS) of a process stream. This controller features a large LCD with protective cover. Users may choose from automatic or manual dosing modes.
When in automatic mode, the dry contact relay is activated when a reading is below the set point. The relay can be used to supply power to a dosing pump to add fertilizer to a nutrient solution in order to maintain an ideal concentration.
BL983319 uses a 0.65 conversion factor in which 100 μ S/cm = 65 ppm.
The BL983319 features a dosing relay that is activated when the reading is below a user programmable set point.
For enhanced safety the mini controller can be programmed to deactivate the dosing relay if the set point is not reached within a specified time interval. The overdosing timer is programmable from 5 to 30 minutes or disabled.
With the flick of a switch the mini controller’s relay can be disabled (Off), placed in control (Auto), or be activated for manual operation (On) which is useful for priming a dosing pump.
Multicolor LED indicator allows an operator to quickly check the status of the controller.
The relay dosing contact is rated for up to a 2A load and is fuse protected.
Quick-connect terminal blocks are clearly labeled for easy connection to power, conductivity probe and relay that can be used to operate a dosing pump, valve, audible alarm, or light.
The BL983319 mini controller uses the HI7634 conductivity probe that is available with different cable lengths.
Installation cut-out dimensions are provided as well as outside panel dimensions.
Adjustable location brackets allow the controller to slide easily and securely into place..
| SKU | HI983319-2 |
| Name | TDS Mini Controller (0 to 1999 ppm) – BL983319-2 | 230VAC, Output: 4-20 mA |
| TDS Range | 0 to 1999 ppm (mg/L) |
| TDS Resolution | 1 mg/L ppm (mg/L) |
| TDS Accuracy | ±2% f.s. |
| TDS Calibration | manual, with CAL trimmer |
| EC to TDS Conversion Factor | 0.65 |
| EC/TDS Temperature Compensation | automatic from 5 to 50°C (41 to 122°F) with β =2%/oC |
| EC/TDS Dosing Relay | maximum 2A (fuse protected), 250 VAC, 30 VDC |
| EC/TDS Dosing Set Point | adjustable from 0 to 1999 mg/L (ppm) |
| Dosing Control | contact closed when measure < setpoint |
| Over Dosing Control | adjustable, typically from 5 to approximately 30 minutes |
| Power Supply | 230VAC; 50/60Hzs |
| Dimensions | 83 x 53 x 99 mm (3.3 x 2.1 x 3.9’’) |
| Weight | 300 g (10.6 oz.) |
BL983319-2 (230VAC) is supplied with mounting brackets, transparent cover and instruction manual.
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To empower customers to achieve quality
by supplying intuitive, accurate, and reliable analytical instruments with exceptional customer service and value.
We take pride in every product we build. From an original idea, to a completed product ready for testing. We oversee every aspect of the manufacturing process. It is this level of attention to detail that sets us apart.
To empower customers to achieve quality by supplying intuitive, accurate, and reliable analytical instruments with exceptional customer service and value.
We take pride in every product we build. From an original idea, to a completed product ready for testing. We oversee every aspect of the manufacturing process. It is this level of attention to detail that sets us apart.
To empower customers to achieve quality by supplying intuitive, accurate, and reliable analytical instruments with exceptional customer service and value.
We take pride in every product we build. From an original idea, to a completed product ready for testing. We oversee every aspect of the manufacturing process. It is this level of attention to detail that sets us apart.
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